10.2. Display Block
IC901 : C0HBA0000223
Pin No. Port Descriptions I/O
(V)
(V)
1 - - - -
2-4 NC No connection - -
5-39 S1-35 LCD segment O 2.5
40-43 C1-4 LCD common O 2.5
44-49 KS1-6 Key data output O 0.9
50-54 KI1-5 Key data input I 0
55 TEST (Connecting to ground) - 0
56 VDD +5V power supply - 5.1
57 VDD1 Ground through capacitor - 3.3
58 VDD2 Ground through capacitor - 1.7
59 Vss Ground - 0
60 OSC CR oscillator - 3.9
61 DO Key data output O 4.4
62 CE Chip enable I 0
63 CLK LCD clock I 0
64 DI LCD data input I 0
8
CQ-C1405N
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